Testicular cancer is uncommon and usually occurs in young men. The cancer arises from sperm producing cells. One third of tumours are called seminomas and the remainder are mainly teratomas: they are distinguished under a microscope. Both types produce a painless swelling of the testicle – although pain can be a feature in some men.
There are different types of cancer and treatments:
For more information about testicular cancer, visit the Newcastle Urology website.